Cellular telephone design for the elderly

A cellular telephone for the elderly, comprising

• a telephone body having an interactive surface and including in an unfolded position a left vertical border and a right vertical border, the telephone body having a width between the left and right vertical borders of between approximately two and one half inches and approximately three and one half inches,
• the interactive surface including a first portion and a second portion, the telephone body folding along a folding area between the first and second portions of the interactive surface,
• a left gripping area on a left side of the folding area defined by a substantially arcuate indentation in the left vertical border and a right gripping area on a right side of the folding area defined by a substantially arcuate indentation in the left vertical border,
• a keypad on the first and second portions of the interactive surface and having jumbo integer keys for integers between “0” and “9”, a “SEND” key, an “OFF” key, a “CLEAR” key, the keypad having no other function keys except that the keypad optionally includes a “*” key, a “#” key and/or an “ON” key, the jumbo integer keys having a diameter of between approximately 16 millimeters and approximately 20 millimeters, a space between adjacent jumbo integer keys in a horizontal row being between approximately 4 and approximately 6 millimeters and a space between adjacent jumbo integer keys in a vertical column being between approximately 8 and approximately 12 millimeters,
• the first portion and the second portion of the interactive surface each have at least three jumbo integer keys, and
• a display on the interactive surface that displays an integer in a jumbo size corresponding to a jumbo integer key that an elderly user has pressed, the jumbo size being at least a size appearing on the corresponding jumbo integer key.